1.EP004DF-320-12, 320W Single Output Power Supply 2.Suitable for:access control system of ... Hold up time: >16mS@230VACProtection:1. Over power: 105%~135% of rated output current, hiccup mode, auto recovery2. Over voltage ... : 110%~150% of rated output voltage, shut down, re-power on to recoverEnvironment: -20~65; 20%~ ... 15 doors(10~15pcs locks) EP004DF-320-12, 320W Single Output Power Supply